<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Starch is acryloylated and copolymerised without incorporating any vinyl monomer such as acrylic acid or acrylonitrile monomers to produce a superabsorbent copolymer. Fenton’s initiation system was used to produce polyacryloylated starch ester with varying degree of substitution. The copolymer from starch ester exhibited improved solubility, and an impressive water, saline, and solvents uptake. The superabsorbency of the samples is affected by the number of acryloyl groups on starch backbone. The starch ester with degree of substitution 0.8 had the highest water absorbency (102 g/g) in this experiment. Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and thermogravimetric (TGA) analyses were used to characterize the products.</p>
</abstract>

Starch is acryloylated and copolymerised without incorporating any vinyl monomer such as acrylic acid or acrylonitrile monomers to produce a superabsorbent copolymer. Fenton’s initiation system was used to produce polyacryloylated starch ester with varying degree of substitution. The copolymer from starch ester exhibited improved solubility, and an impressive water, saline, and solvents uptake. The superabsorbency of the samples is affected by the number of acryloyl groups on starch backbone. The starch ester with degree of substitution 0.8 had the highest water absorbency (102 g/g) in this experiment. Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and thermogravimetric (TGA) analyses were used to characterize the products.

Effect of acryloylation on superabsorbency of starch copolymers

Ovidius University Annals of Chemistry

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Effect of acryloylation on superabsorbency of starch copolymers"}

Starch is acryloylated and copolymerised without incorporating any vinyl monomer such as acrylic acid or acrylonitrile monomers to produce a superabsorbent...

Effect of acryloylation on superabsorbency of starch copolymers

Published Online: Mar 13, 2020

Page range: 9 - 13

Received: Feb 12, 2019

Accepted: Feb 26, 2020

DOI: https://doi.org/10.2478/auoc-2020-0003

Keywords
absorbency, acryloylated starch, copolymerization, degree of substitution

© 2020 Aliyu Danmusa Mohammed et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Effect of acryloylation on superabsorbency of starch copolymers

Published Online: Mar 13, 2020

Page range: 9 - 13

Received: Feb 12, 2019

Accepted: Feb 26, 2020

DOI: https://doi.org/10.2478/auoc-2020-0003

Keywordsabsorbency, acryloylated starch, copolymerization, degree of substitution

© 2020 Aliyu Danmusa Mohammed et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
absorbency, acryloylated starch, copolymerization, degree of substitution